1 files changed, 2 insertions, 2 deletions
diff --git a/inc/HTTP/Headers.php b/inc/HTTP/Headers.php
index 4d988ea05..254eb1ca8 100644
--- a/inc/HTTP/Headers.php
+++ b/inc/HTTP/Headers.php
@@ -14,7 +14,7 @@ class Headers
      *
      * @param array $policy
      */
-    static public function contentSecurityPolicy($policy)
+    public static function contentSecurityPolicy($policy)
     {
         foreach ($policy as $key => $values) {
             // if the value is not an array, we also accept newline terminated strings
@@ -28,7 +28,7 @@ class Headers
         $cspheader = 'Content-Security-Policy:';
         foreach ($policy as $key => $values) {
             if ($values) {
-                $cspheader .= " $key " . join(' ', $values) . ';';
+                $cspheader .= " $key " . implode(' ', $values) . ';';
             } else {
                 $cspheader .= " $key;";
             }